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RT8020E - Dual High-Efficiency PWM Step-Down DC/DC Converter

General Description

The RT8020E is a dual high-efficiency Pulse-WidthModulated (PWM) step-down DC/DC converter.

It is capable of delivering 1A output current over a wide input voltage range from 2.5V to 5.5V.

Key Features

  • include soft start, lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. Pin Configurations (TOP VIEW) VIN2 1 LX2 2 GND 3 FB1 4 NC1 5 EN1 6 GND 13 12 EN2 11 NC2 10 FB2 9 GND 8 LX1 7 VIN1 WDFN-12L 3x3 Features.
  • 2.5V to 5.5V Input Range.
  • 1.2V and 1.8V Fixed Output Voltage.
  • 1A Output Current.
  • 95% Efficiency.
  • No Schottky Diode Required.
  • 50μA Quiescent Current per Channel.
  • 1.5MHz Fixed Frequency PWM Opera.

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Datasheet Details

Part number RT8020E
Manufacturer Richtek
File Size 253.07 KB
Description Dual High-Efficiency PWM Step-Down DC/DC Converter
Datasheet download datasheet RT8020E Datasheet

Full PDF Text Transcription for RT8020E (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for RT8020E. For precise diagrams, and layout, please refer to the original PDF.

® RT8020E Dual High-Efficiency PWM Step-Down DC/DC Converter General Description The RT8020E is a dual high-efficiency Pulse-WidthModulated (PWM) step-down DC/DC converte...

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al high-efficiency Pulse-WidthModulated (PWM) step-down DC/DC converter. It is capable of delivering 1A output current over a wide input voltage range from 2.5V to 5.5V. The RT8020E is ideally suited for portable electronic devices that are powered by 1-cell Li-ion battery or other power sources within the range such as cellular phones, PDAs and other hand-held devices. Two operational modes are available : PWM/Low-Dropout auto-switch mode and shutdown mode. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky diode is required in practical application.

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